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    Tools > Informational Postings > Southern Natural Gas > Critical Notices > Notice 711999

    Southern Natural Gas Notice 711999

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    TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y Notice Type Desc (1):  PIPELINE CONDITIONS Notice Type Desc (2):  CURRENT PIPELINE CONDITIONS Notice Eff Date/Time:  05/17/2026 1:54:49PM Notice End Date/Time:  05/18/2026 9:00:00am Post Date/Time:  5/17/2026 1:54:49 PM Notice ID: 711999 Reqrd Rsp:  1 Rsp Date:  5/17/2026 12:00:00 AM Notice Stat Desc:  INITIATE Prior Notice:  Subject:  Pipeline Conditions as of 05-18-2026
    Notice Text:

    Effective Timely Cycle for gas day Monday, May 18, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    None

     

    RESTRICTIONS (SEGMENT)

    ·         30 (ONWARD) - Exceeds Operating Capacity - Reductions into OP Services

    ·         350 (NORTH OF WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         380 (SNG - SESH) - Force Majeure - Reductions into IP Services

    ·         400 (GWINVILLE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         700 (QUINCY LINE) - Exceeds Operating Capacity

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – None

    Payback Due Shipper – None

    RESTRICTIONS (STORAGE)

    Incremental Interruptible Storage (ISS) Injections not allowed - See Notice # 711727

    Type 3 / 4 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    May 18, 2026 – UL

    Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    May 18, 2026 – UL for Short and TC for Long Imbalances

     

     

     

    TSP/TSP Name:  6900518-SOUTHERN NATURAL GAS CO. Critical: Y Notice Type Desc (1):  PIPELINE CONDITIONS Notice Type Desc (2):  CURRENT PIPELINE CONDITIONS Notice Eff Date/Time:  05/17/2026 1:54:49PM Notice End Date/Time:  05/18/2026 9:00:00am Post Date/Time:  5/17/2026 1:54:49 PM Notice ID: 711999 Reqrd Rsp:  1 Rsp Date:  5/17/2026 12:00:00 AM Notice Stat Desc:  INITIATE Prior Notice:  Subject:  Pipeline Conditions as of 05-18-2026
    Notice Text:

    Effective Timely Cycle for gas day Monday, May 18, 2026, and continuing until further notice, SNG restricted the following:

    OPERATIONAL FLOW ORDERS (OFO)

    None

     

    RESTRICTIONS (SEGMENT)

    ·         30 (ONWARD) - Exceeds Operating Capacity - Reductions into OP Services

    ·         350 (NORTH OF WHITE CASTLE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         380 (SNG - SESH) - Force Majeure - Reductions into IP Services

    ·         400 (GWINVILLE) - Exceeds Operating Capacity - Reductions into OP Services

    ·         700 (QUINCY LINE) - Exceeds Operating Capacity

    RESTRICTIONS (LINEPACK)

    Payback Due Pipe – None

    Payback Due Shipper – None

    RESTRICTIONS (STORAGE)

    Incremental Interruptible Storage (ISS) Injections not allowed - See Notice # 711727

    Type 3 / 4 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    May 18, 2026 – UL

    Type 6 OFO Probability (Unlikely (UL); Too Close to Call (TC); Likely (L); Highly Likely (HL))

    May 18, 2026 – UL for Short and TC for Long Imbalances

     

     

     

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